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- Quickly plezz!! The levigating agent role in Suppositories manufacturing ??Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(CzHs)3). 3SnCl4 + 4Al(C2H5)3 → 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d= 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?Application of parachor for structure verification.
- Weight of crude/pure product: 0.819/0.047g Percent yield: Theoretical Yield: Melting Point crude/pure:195/190 Q: What would the theoretical yield froms the Diels-Alder Adduct with your product. Also, what is the actual yield? How do i calculate those? i used anthracene 200mg, maleic anhydride 110 mg and 6ml of xyleneBased on the data below, what is the reactivity order of the following compounds? Explain your reasoning in detail. Chlorobenzene Total: 327mg Ortho: 162mg / Para: 165mg Bromobenzene Total: 508mg Ortho: 128mg / Para: 380mg Iodobenzene Total: 664mg Ortho: 20mg / Para: 664mgOrganotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides.One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(C2H5)3). 3SnCl4 + 4Al(C2H5)3 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.230 L of SnCl4 (d = 2.226 g/mL) was treated with 0.396 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). If 0.335 L of tetraethylstannane (d = 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?
- Describe every aspect of the procedure clearly and explicitly. Include temperatures, appearance of the reaction (include pictures!). How is the reaction monitored? Is the order of addition important? 4,4'-DIBROMOBIPHENYL [Biphenyl, 4,4'-dibromo-] Submitted by Robert E. Buckles and Norris G. Wheeler1. Checked by R. S. Schreiber, Wm. Bradley Reid, Jr., and Robert W. Jackson. 1. Procedure In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The dish is set on a porcelain rack in a 30-cm. desiccator with a 10-cm. evaporating dish under the rack containing 39 g. (12 ml., 0.24 mole) of bromine. The desiccator is closed, but a very small opening is provided for the escape of hydrogen bromide (Note 2). The biphenyl is left in contact with the bromine vapor for 8 hours (or overnight). The orange solid is then removed from the desiccator and allowed to stand in the air under a hood for at least 4 hours (Note 3). At this point, the product weighs…handwritten please Complete reactions i. to iii. b) Provide a qualitative discussion regarding the thermodynamic stability of the products for the substitution reactions i, ii and iii. (Note all products have coordination number 6): i) [Mn(H2O)6]2+ + bpy → ii) [Mn(H2O)6]2+ + CO32- → iii) [Mn(H2O)6]2+ + 2NH3 + Qualitatively compare the equilibrium constants for i vs. ii, i vs. iii and ii vs. iii.The molecular formula of unknown compound B is C10H16.Quantitative brominationof a 0.473-g sample of compound Brequired 48.22mL of a 0.216MBr2/CCl4to produce a color change. How many rings and pi bonds does compound Bcontain?Include any explanations/calculations to justify your answers.
- I’m currently trying to write a lab report for the synthesis of dimolybdenum tetraacetate [Mo2(O2CCH3)4] from the reaction of molybdenum hexacarbonyl, Mo(CO)6 in glacial acetic acid and acetic anhydride under a nitrogen atmosphere, involving the difficult formation of a quadruple bond and requires high heat and long reaction time (approximately 20 hours). But these are the question I’m stumped on: 1. Why need the reaction be done under nitrogen? We also added dichlorobenzene and hexanes during the reaction. 2. Explain the purpose of dichlorobenzene and hexanes. 3. Why does the reaction take 20 hrs?Useful Information: sodium metam: Commercial grade sodium metam is 33% pure sodium metam by weight and has a density of 1.2 g/mL. Hydrolysis of metam (Methyl isothiocynate) + H2S Rate constants for hydrolysis for metam (base catalyzed hydrolysis is negligible) = 300 mol -1 L. sec -1 , = 1 x 10-8 sec-1 Metam also undergoes photolysis to methyl isothiocyanate with a half-life of 1.6 hrs. Data for Sacramento River discharge Q = 75,000 L/min mean depth = 0.30 m pH = 7.8 mean width = 3.2 m dispersion coefficient D = 1.6 x 102 m2/min Assuming the spill acts acts as a single point source. How long does it take for the maximum contaminant concentration to get to Lake Shasta? If Na+ acts as conservative (i.e., it is not transformed) tracer, calculate the maximum concentration (in g/L) at Lake Shasta. (Hint: remember that sodium only constitutes a…Define mechanism for LiAlH4 Reduction of RCHO and R2C=O